blob: 7e8c09a337f4f0623bd586d8dadf528984266864 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
/**
* @file mboot.h
*
* @author Freya Murphy <freya@freyacat.org>
*
* Internal multiboot structures
*/
#ifndef __MBOOT_H_
#define __MBOOT_H_
#include <lib.h>
#define MBOOT_HEADER_MAGIC 0x36D76289
#define MBOOT_CMDLINE 1
#define MBOOT_MEMORY_MAP 6
#define MBOOT_FRAMEBUFFER 8
#define MBOOT_ELF_SYMBOLS 9
#define MBOOT_OLD_RSDP 14
#define MBOOT_NEW_RSDP 15
struct mboot_info {
uint32_t total_size;
uint32_t reserved;
char tags[];
};
struct mboot_tag {
uint32_t type;
uint32_t size;
char data[];
};
struct mboot_tag_elf_sections {
uint32_t type;
uint32_t size;
uint16_t num;
uint16_t entsize;
uint16_t shndx;
uint16_t reserved;
char sections[];
};
struct mboot_tag_elf_sections_entry {
uint32_t sh_name;
uint32_t sh_type;
uint64_t sh_flags;
uint64_t sh_addr;
uint64_t sh_offset;
uint64_t sh_size;
uint32_t sh_link;
uint32_t sh_info;
uint64_t sh_addralign;
uint64_t sh_entsize;
};
struct mboot_mmap_entry {
uint64_t addr;
uint64_t len;
uint32_t type;
uint32_t zero;
};
struct mboot_tag_mmap {
uint32_t type;
uint32_t size;
uint32_t entry_size;
uint32_t entry_version;
struct mboot_mmap_entry entries[];
};
struct mboot_tag_old_rsdp {
uint32_t type;
uint32_t size;
char rsdp[];
};
struct mboot_tag_new_rsdp {
uint32_t type;
uint32_t size;
char rsdp[];
};
struct mboot_tag_cmdline {
uint32_t type;
uint32_t size;
uint8_t cmdline[];
};
struct mboot_tag_framebuffer {
uint32_t type;
uint32_t size;
uint64_t framebuffer_addr;
uint32_t framebuffer_pitch;
uint32_t framebuffer_width;
uint32_t framebuffer_height;
uint8_t framebuffer_bpp;
uint8_t framebuffer_type;
uint16_t reserved;
};
void *locate_mboot_table(uint32_t type);
#endif /* mboot.h */
|
